Collecting additional metrics using Guest OS diagnostics

Microsoft Azure provides a set of standard host-level metrics. Guest OS metrics are not available by default. You can use guest-level monitoring to collect metrics of your guest virtual machines. The metrics are useful for investigating the resource-related issues that might occur in your Azure environment.

Enable the guest-level monitoring for Azure virtual machines
- For new virtual machines
  Log in to the Azure portal.
  In the left pane, select Virtual machines.
  Click Add to create a virtual machine.
  On the Management tab, enable the OS guest diagnostics option.
  Add the required information to create the virtual machine and click Review + create.
  The virtual machine is created with the virtual machine agent installed in the guest OS.
- For existing virtual machines
  Log in to the Azure portal.
  In the left pane, select Virtual machines.
  A list of your virtual machines is displayed.
  Select the virtual machine for which you want to enable guest-level monitoring.
  In the left pane of virtual machine, in the Monitoring category, click Diagnostic settings.
  On the Diagnostics settings page, click Enable guest-level monitoring.
  The Azure diagnostics agent is installed on the virtual machine and the metrics are displayed in the Overview tab.
Configure and run the connector. For more information, see Microsoft-Azure-cloud-connector.

The following table lists the metrics that are available when the guest-level monitoring option is enabled in Azure:

Metrics for Windows virtual machines

BMC Helix Cloud Cost metric	Unit	Microsoft Azure metric
CPU_UTIL	%	Percentage CPU
NET_TRANSFER_RATE	byte/sec	Derived Disk Read Bytes + Disk Write Bytes (Average, Bytes)
DISK_TRANSFER_RATE	byte/sec	Derived Network In + Network Out (Average, Bytes)
CPU_SIZE	cores	Instance View API numberOfCores
CPU_USED	cores fraction	CPU_SIZE x CPU_UTIL
MEMORY_SIZE	byte	Instance View API memoryInMB
MEMORY_USED	byte	memory_size - mem_free mem_free: \\Memory\\Available Bytes
STORAGE_SIZE	byte	TOTAL_LDISK_SIZE = (FREE_MEGABYTES x 1024 x 1024) x 100/LDISK_PERCENT_FREE_SPACE FREE_MEGABYTES = \\LogicalDisk(_Total)\\Free Megabytes LDISK_PERCENT_FREE_SPACE = \\LogicalDisk(_Total)\\% Free Space
STORAGE_USED	byte	TOTAL_LDISK_USED = TOTAL_LDISK_SIZE - ((FREE_MEGABYTES x 1024 x 1024))

Metrics for Linux virtual machines

BMC Helix Cloud Cost metric	Unit	Microsoft Azure metric
CPU_UTIL	%	Percentage CPU
NET_TRANSFER_RATE	byte/sec	Derived Disk Read Bytes + Disk Write Bytes (Average, Bytes)
DISK_TRANSFER_RATE	byte/sec	Network In + Network Out (Average, Bytes)
CPU_SIZE	cores	Instance View API numberOfCores
CPU_USED	cores fraction	CPU_SIZE x CPU_UTIL
MEMORY_SIZE	byte	Instance View API memoryInMB
MEMORY_USED	byte	memory_size - mem_free mem_free: \\Memory\\AvailableMemory
STORAGE_SIZE	byte	Microsoft Azure does not provide this metric.
STORAGE_USED	byte	Microsoft Azure does not provide this metric.

Collecting additional metrics using Guest OS diagnostics

For new virtual machines

For existing virtual machines

Metrics for Windows virtual machines

Metrics for Linux virtual machines

On this page